6a5d66b2ff7e34c58bb0aa563fd3dbecfca7e89b0c448250f743ca0af37416e3

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 12:25

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General

Target

fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe
Size

14KB
MD5

fcc450e4dfe6fd24979e3ce1435e0f86
SHA1

3bcab62e5399c8c01e3e306f6f3a3ece0f660861
SHA256

6a5d66b2ff7e34c58bb0aa563fd3dbecfca7e89b0c448250f743ca0af37416e3
SHA512

65a5187e0d633a1e4967cefa5393938a74ea6b2fcd16ccaf73245e8d4351e5e51f1da77323c4a8baa1705833428185bea01059658681458bad707c9ec0b36a76
SSDEEP

384:rQfmASZvaMA/5527wYMnhsXfaBKWMgq0f8PRJdYnXi+F708:rqyZiMAxYw5nhsXpgq68PzdYnXDo8

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\adsntzt.dll = "{00010001-0001-0001-0001-00010001BB15}"	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2652	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
3040	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\adsntzt.tmp	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\adsntzt.tmp	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\adsntzt.nls	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00010001-0001-0001-0001-00010001BB15}	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00010001-0001-0001-0001-00010001BB15}\InProcServer32	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00010001-0001-0001-0001-00010001BB15}\InProcServer32\ = "C:\\Windows\\SysWow64\\adsntzt.dll"	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00010001-0001-0001-0001-00010001BB15}\InProcServer32\ThreadingModel = "Apartment"	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3040	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3040	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe
3040	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe
3040	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2652	3040	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe	28
PID 3040 wrote to memory of 2652	3040	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe	28
PID 3040 wrote to memory of 2652	3040	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe	28
PID 3040 wrote to memory of 2652	3040	fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcc450e4dfe6fd24979e3ce1435e0f86_JaffaCakes118.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\8E4B.tmp.bat
  2⤵
  - Deletes itself
  PID:2652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\8E4B.tmp.bat

Filesize
207B

MD5
ac0d04501624a33864efa14be369a87e

SHA1
7ac2721e2111dbcbeef649878e10dbd1e31fdee6

SHA256
276e6b2354de87fd6fd118377dea311958b78e6eb62edb21c75f6aea0013066b

SHA512
5b8ba459a249984281c89a8d2606be10911cf34d634af8679c4a4eda88fdfea91142526ab703cbc8f408c7b8627d75a07ddf3be2b1a019f32efefb58eef11196

Download Submit
C:\Windows\SysWOW64\adsntzt.tmp

Filesize
726KB

MD5
17858724811f7351580770c227cfedb6

SHA1
c0278971743d88079c3be26484e450bb7387f29f

SHA256
49225715828bf07b6c22ae1c7ada2bc184564903988237874e18f7042b49d188

SHA512
ee83c6840f05742669b712e7039edc81db4ae738a30d9a324b19965fee63941a9f28feb5f96a0df0543c978fbf29e04fc9ebe77d26fe7927e27b3e718ffb033e

Download Submit
memory/3040-12-0x0000000020000000-0x000000002000A000-memory.dmp

Filesize
40KB

Download
memory/3040-21-0x0000000020000000-0x000000002000A000-memory.dmp

Filesize
40KB

Download